autobuild[sn-devel-144]: intermittent test failure detected

[autobuild]

The autobuild test system (on sn-devel-144) has detected an intermittent failing test in 
the current master tree.

The autobuild log of the failure is available here:

   http://git.samba.org/autobuild.flakey.sn-devel-144/2017-01-22-1210/flakey.log

The samba build logs are available here:

   http://git.samba.org/autobuild.flakey.sn-devel-144/2017-01-22-1210/samba.stderr
   http://git.samba.org/autobuild.flakey.sn-devel-144/2017-01-22-1210/samba.stdout
  
The top commit at the time of the failure was:

commit 5059c8e2e3a6159bc2917ddd80d09fab35b39e66
Author: Björn Jacke <bj at sernet.de>
Date:   Thu Jan 19 21:51:41 2017 +0100

    vfs_default: unlock the right file in copy chunk
    
    Signed-off-by: Bjoern Jacke <bj at sernet.de>
    Reviewed-by: David Disseldorp <ddiss at samba.org>
    
    Autobuild-User(master): Björn Jacke <bj at sernet.de>
    Autobuild-Date(master): Sat Jan 21 17:00:54 CET 2017 on sn-devel-144